Step 45-I am stuck- On the topic of visual accessibility, contrast between elements is a key factor

Tell us what’s happening:
I did not understand this topic . Need help to better understand this contrast ratio thing.
Change the font color of all the anchor elements within the list elements to something with a contrast ratio of at least 7:1.

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Challenge: Step 45

Link to the challenge:

You must make all the a’s inside li’s inherit their color.
Here is an example:

p > a{
  color:inherit;/*inherit the color*/
}

It makes all a’s inside p’s inherit their color.
Try it with the li’s and a’s.